format nics

tasks/persistent_cloud_new.yml

@@ -45,7 +45,8 @@
       flavor_id: "{{ flavor_id }}"  # TODO: conversion from `instance_type`
       security_groups: "{{security_group}}"
       key_name: "{{ keypair }}"
-      nics: cloud_networks
+      nics:
+        - "{{ cloud_networks }}"
       #floating_ips:
       #  - "{{public_ip}}"
   register: nova_result